- (dtucker) [uidswap.c] Don't test restoration of uid on Cygwin since the
OS does not support permanently dropping privileges. Patch from
vinschen at redhat.com.
diff --git a/uidswap.c b/uidswap.c
index 3f13f9b..9e161d0 100644
--- a/uidswap.c
+++ b/uidswap.c
@@ -191,10 +191,12 @@
(u_int)pw->pw_gid);
}
+#ifndef HAVE_CYGWIN
/* Try restoration of UID if changed (test clearing of saved uid) */
if (old_uid != pw->pw_uid &&
(setuid(old_uid) != -1 || seteuid(old_uid) != -1))
fatal("%s: was able to restore old [e]uid", __func__);
+#endif
/* Verify UID drop was successful */
if (getuid() != pw->pw_uid || geteuid() != pw->pw_uid) {